Kamigawa

Kamigawa was the 10th block released for Magic the Gathering. It takes place in the titular plane. It introduced the the Ninjutsu mechanic, which is awesome.

Notable Cards

Expert commentary taken from the Gatherer

Sensei’s Divining Top

It looks so innocent the first time you read it too. It's not. Not even a little bit. -Shadow1798

Kiki-Jiki, Mirror Breaker

I prefer to call him Kik-Jiki, Combo Maker. -tcollins

Umezawa's Jitte

Fun fact: "Umezawa's Jitte" can be approximately translated to English as "You're f*cked, game two." -ratchet1215

Pithing Needle

I love just stuffing people who overuse fetchlands. -WhiteyMcFly